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1. Effects of calcium supplementation to resuscitation fluids in endurance horses: A randomized, blinded, clinical trial

Author

Fielding, C Langdon, Deane, Emma L, Major, Dustin S, Mayer, Jennifer R, Love, Juliette C, Peralez, Michael S, and Magdesian, K Gary

Subjects
Veterinary Sciences, Agricultural, Veterinary and Food Sciences, Clinical Research, Nutrition, Clinical Trials and Supportive Activities, Prevention, Cardiovascular, Horses, Animals, Calcium Gluconate, Fluid Therapy, Crystalloid Solutions, Electrolytes, Dietary Supplements, Physical Endurance, Physical Conditioning, Animal, dehydration, electrolytes, endurance, intravenous, Veterinary sciences
Abstract

BackgroundThe addition of calcium to resuscitation fluids is a common practice in horses, but studies evaluating the effects of calcium supplementation are limited. In healthy horses, decreases in heart rate and changes in serum electrolyte concentrations have been reported.HypothesisCalcium gluconate administration at a rate of 0.4 mg/kg/min to eliminated endurance horses with metabolic problems will affect heart rate, gastrointestinal sounds, and serum electrolyte concentrations.AnimalsEndurance horses eliminated from the Tevis Cup 100-mile (160 km) endurance ride for metabolic problems and requiring IV fluid therapy were eligible.MethodsSixteen horses were randomly assigned to receive 0.4 mg/kg/min of calcium (23% calcium gluconate solution) over 1 hour diluted in 10 L of a non-calcium containing isotonic crystalloid (CAL group) or 10 L of a non-calcium containing isotonic crystalloid (CON group). Staff members administering the fluids were blinded to treatment group. Blood samples were collected and physical examinations performed before and after treatment. Heart rates were recorded every 15 min during fluid administration. Data were compared using 2-way analysis of variance (ANOVA) with repeated measures for continuous variables and Fisher's exact test for categorical variables.ResultsCalcium was associated with lower heart rates 45 min after starting the infusion (P = .002). Gastrointestinal sounds were less likely to improve in the calcium group compared with the control group (P = .005). An increase in plasma phosphorus concentration (P = .03) was associated with calcium administration.ConclusionsIntravenous calcium supplementation to endurance horses eliminated from competition after development of metabolic problems may decrease heart rate but impairs improvement in gastrointestinal sounds.

Published
2023

2. Clinical and biochemical factors associated with survival in equids attacked by dogs: 28 cases (2008‐2016)

Author

Fielding, C Langdon, Mayer, Jennifer R, Dechant, Julie E, Epstein, Kira L, and Magdesian, K Gary

Subjects
Veterinary Sciences, Agricultural, Veterinary and Food Sciences, Good Health and Well Being, Aftercare, Animals, Bites and Stings, Dog Diseases, Dogs, Horse Diseases, Horses, Patient Discharge, Prognosis, Retrospective Studies, creatine kinase, hyperlactatemia, hypoproteinemia, hypothermia, Veterinary sciences
Abstract

BackgroundTrauma from dog attacks has been associated with mortality rates as high as 23% in some species. However, the prognosis and clinical features of this type of injury have not been described in equids.Hypotheses/objectivesTo describe survival rate, signalment, clinical features, and biochemical results in equids presented for emergency care after presumed dog attacks. We hypothesized there would be differences between survivors and nonsurvivors.AnimalsA total of 28 equids presented for presumed dog attacks from 3 referral centers.MethodsA retrospective study was performed using data from 3 hospitals between 2008 and 2016. Survival was defined as survival at 14 days postdischarge. Variables were compared between survivors and nonsurvivors using a t test, Mann-Whitney U test, or Fisher's exact test as appropriate.ResultsOverall mortality rate was 21%. Ponies and miniature horses represented 16/28 (57%) of the animals in the study. Full-sized equids had a lower risk of nonsurvival as compared to smaller patients (odds ratio = 0.02; 95% confidence intervals = 0.00-0.27; P

Published
2021

4. Disorders Caused by Toxicants

Author

Hovda, Lynn R., primary, Garland, Tam, additional, Puschner, Birgit, additional, Evans, Timothy J., additional, Fielding, C. Langdon, additional, Poppenga, Robert H., additional, Benson, Dionne, additional, Mostrom, Michelle, additional, and Landers, Benjamin R., additional

Published
2020
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5. Contributors

Author

Ainsworth, Dorothy M., primary, Aleman, Monica, additional, Angelos, John A., additional, Arroyo, Luis G., additional, Austin, Scott M., additional, Axon, Jane E., additional, Ballweber, Lora Rickard, additional, Bannasch, Danika L., additional, Barakzai, Safia Z., additional, Barrell, Emily A., additional, Barrington, George M., additional, Barton, Michelle H., additional, Bauman, Dale E., additional, Beasley, Erin McConachie, additional, Bedenice, Daniela, additional, Benson, Catherine J., additional, Benson, Dionne, additional, Betbeze, Caroline M., additional, Bickett-Weddle, Danelle A., additional, Blikslager, Anthony T., additional, A. Bohn, Andrea, additional, Bordin, Angela I., additional, Bowman, Dwight D., additional, Boyle, Ashley G., additional, Bozorgmanesh, Rana, additional, Bradford, Barry J., additional, Breuhaus, Babetta, additional, Brinsko, Steven P., additional, Browne, Nimet, additional, Buchanan, Ben, additional, Buczinski, Sébastien, additional, Burton, Alexandra J., additional, Burton, Erin N., additional, Byers, Stacey R., additional, Byrne, Barbara A., additional, Byrne, David P., additional, Callan, Robert J., additional, Cargile, Canaan Whitfield, additional, Carlson, Gary P., additional, Carr, Elizabeth A., additional, Carter, Renee T., additional, Casteel, Stan W., additional, Chaffin, M. Keith, additional, Chesen, Berkley, additional, Chigerwe, Munashe, additional, Christensen, Bruce W., additional, Chuck, Gemma, additional, Clothier, Kristin A., additional, Coetzee, Johann (Hans) F., additional, Coleman, Michelle C., additional, Collier, Robert J., additional, Cortese, Victor S., additional, Costa, Lais R., additional, Crossley, Beate M., additional, Davis, Jennifer L., additional, de Laat, Melody Anne, additional, Del Piero, Fabio, additional, Desrochers, André, additional, Dixon, Padraic Martin, additional, Dodd, Charles C., additional, Dominguez, Brandon J., additional, Dore, Vincent, additional, Duhamel, Gerald E., additional, Dunkel, Bettina, additional, Easley, Jack, additional, Ekenstedt, Kari J., additional, Ellis, John A., additional, Espinosa-Mur, Pablo, additional, Erskine, Ronald J., additional, E. Estell, Krista, additional, Evans, Timothy J., additional, Feary, Darien, additional, Fecteau, Gilles, additional, Fecteau, Marie-Eve, additional, Felippe, M. Julia B., additional, Fielding, C. Langdon, additional, Finno, Carrie J., additional, Fleming, Sherrill A., additional, Francoz, David, additional, Frank, Nicholas, additional, Fulton, Robert W., additional, Fultz, Lisa E., additional, Garland, Tam, additional, Garry, Franklyn, additional, Gemensky-Metzler, Anne J., additional, Gibbons, Philippa, additional, Giguère, Steeve, additional, Godden, Sandra, additional, Goff, Jesse Paul, additional, Gonda, Kathleen Casey, additional, Gonzalez, Liara M., additional, Grissett, Gretchen P., additional, Gunn, Alison A., additional, Gutierrez-Nibeyro, Santiago D., additional, Habasha, Faisal Ghazi, additional, Hall, Tiffany L., additional, Halland, Spring K., additional, Hallowell, Gayle D., additional, Hardy, Joanne, additional, Hart, Kelsey A., additional, Hartnack, Amanda K., additional, Heinrich, Daniel A., additional, Heller, Meera, additional, Herthel, Troy, additional, Hietala, Sharon K., additional, Hinchcliff, Kenneth W., additional, Hines, Melissa T., additional, House, John K., additional, Hovda, Lynn R., additional, Hughes, Angela M., additional, Hullinger, Pamela J., additional, Hund, Alexandra, additional, Hurley, David J., additional, James, Robert E., additional, John, Emily, additional, Johns, Jennifer L., additional, Johnson, Philip J., additional, Jones, Meredyth L., additional, Jones, Samuel L., additional, Jordan, Will C., additional, Judy, Carter E., additional, Katzman, Scott A., additional, Klein, Claudia, additional, Kreuder, Amanda J., additional, Lakritz, Jeffrey, additional, Landers, Benjamin, additional, Landolt, Gabriele A., additional, Lascola, Kara M., additional, Lassaline, Mary Elizabeth, additional, LeCouteur, Richard Andrew, additional, Lester, Guy D., additional, Leutenegger, Christian M., additional, Linton, Michelle, additional, Lofstedt, Jeanne, additional, Loinaz, Ricardo, additional, MacKay, Evelyn, additional, MacKay, Robert J., additional, Maclachlan, N. James, additional, Madigan, John E., additional, Magdesian, K. Gary, additional, Makhdoomi, Muhammad Muzafar, additional, Malone, John B., additional, Marsh, Peggy S., additional, Marshall, John F., additional, Martin, Krysta, additional, Mayo, Christie E., additional, Mazan, Melissa, additional, McArt, Jessica A., additional, McConnel, Craig, additional, McDowell, Karen, additional, McFarlane, Dianne, additional, McGill, Jodi L., additional, McGowan, Cathy, additional, McGuirk, Sheila M., additional, McNabb, Bret R., additional, Middleton, John R., additional, Millman, Suzanne T., additional, Morley, Paul S., additional, Mosier, Derek A., additional, Mostrom, Michelle, additional, Nagaraja, T.G., additional, Nichols, Sylvain, additional, Nielsen, Martin K., additional, Norman, Tracy E., additional, Norris, Jeffrey W., additional, Nydam, Daryl, additional, Oliver-Espinosa, Olimpo, additional, Parish, Steven M., additional, Pascoe, John R., additional, Payne, Michael, additional, Plummer, Caryn E., additional, Plummer, Paul J., additional, Poppenga, Robert H., additional, Pratt-Philips, Shannon E., additional, Puschner, Birgit, additional, Pusterla, Nicola, additional, Reef, Virginia B., additional, Renter, David G., additional, Reuss, Sarah M., additional, Reynolds, James P., additional, Romano, Sr., Juan E., additional, Ruegg, Pamela L., additional, Sager, Robert Bascom, additional, Sampson, Sarah N., additional, Sanchez, Chris, additional, Saulez, Montague N., additional, Schott, Harold C., additional, Sharkey, Leslie C., additional, Shearer, Jan K., additional, Slack, JoAnn, additional, Smith, Bradford P., additional, Smith, Geoffrey W., additional, Smith, Rachael L., additional, Spier, Sharon Jane, additional, Sponseller, Brett A., additional, Stämpfli, Henry, additional, St. Jean, Guy, additional, Stewart, Allison Jean, additional, Sweeney, Raymond W., additional, Swor, Tamara M., additional, Taylor, Jared D., additional, Tell, Lisa A., additional, Tennent-Brown, Brett, additional, Terra, Ronald L., additional, Théon, Alain P., additional, Tomlinson, Joy E., additional, Toribio, Ramiro E., additional, Troedsson, Mats H.T., additional, Tull, Travis M., additional, Uzal, Francisco A., additional, Valberg, Stephanie J., additional, Van Amstel, Sarel R., additional, Van Eps, Andrew W., additional, Van Metre, David C., additional, Varner, Dickson D., additional, Voyles, Meredith L., additional, Vygantas, Kristina R., additional, Walz, Paul, additional, Washburn, Kevin, additional, Waters, W. Ray, additional, Watkins, Jeffrey P., additional, Watson, Johanna L., additional, Watts, Ashlee E., additional, Weese, J. Scott, additional, White, Maurice Edward, additional, White, Stephen D., additional, Wilkins, Pamela A., additional, Williams, Jarred, additional, Williams, Kurt J., additional, Wilson, W. David, additional, Woodward, Elizabeth M., additional, Woolums, Amelia R., additional, and Wotman, Kathryn L., additional

Published
2020
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10. S250: CHOLINERGIC SIGNALS PROMOTE THE QUIESCENCE OF NORMAL OR LEUKAEMIC STEM CELLS THROUGH THE ACTIVATION OF ALPHA 7-NICOTINIC RECEPTOR IN BONE MARROW MESENCHYMAL STROMAL CELLS

Author

Fielding, C., primary, García-García, A., additional, Korn, C., additional, Gadomski, S., additional, Fang, Z., additional, Kapeni, C., additional, Reguera, J. L., additional, Pérez-Simón, J. A., additional, Göttgens, B., additional, and Méndez-Ferrer, S., additional

Published
2022
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11. The industrial view

Author

Fielding, C., Luckner, R., Thoma, M., editor, Bensoussan, A., editor, Grimble, M. J., editor, Kokotovic, P., editor, Kwakernaak, H., editor, Massey, J. L., editor, Tsypkin, Y. Z., editor, Magni, Jean-François, editor, Bennani, Samir, editor, and Terlouw, Jan, editor

Published
1997
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16. Contributors

Author

Abutarbush, Sameeh M., primary, Aceto, Helen, additional, Affolter, Verena K., additional, Albanese, Valeria, additional, Aleman, Monica, additional, Allen, Kate, additional, Allen, Kent, additional, Alvarenga, Marco Antonio, additional, Andrews, Frank M., additional, Annear, Matthew, additional, Banse, Heidi, additional, Barrett, Elizabeth J., additional, Bauck, Anje G., additional, Beard, Laurie A., additional, Beard, Warren, additional, Belgrave, Rodney L., additional, Blanchard, Terry L., additional, Blott, Sarah, additional, Brandt, Sabine, additional, Branson, Keith R., additional, Brink, Palle, additional, Brockus, Charles W., additional, Brown, James A., additional, Buchanan, Benjamin R., additional, Buhl, Rikke, additional, Burba, Daniel J., additional, Burden, Faith, additional, Burns, Teresa A., additional, Camacho-Luna, Pilar, additional, Canisso, Igor F., additional, Carlson, Kelly L., additional, Carr, Elizabeth A., additional, Chapman, Hannah-Sophie, additional, Claes, Anthony, additional, Clayton, Hilary M., additional, Clode, Alison B., additional, Coleman, Michelle C., additional, Contino, Erin K., additional, Cook, R. Frank, additional, Cook, Vanessa L., additional, Corley, Kevin T., additional, Cullinane, Ann, additional, Coutinho da Silva, Marco A., additional, Dahlgren, Linda A., additional, Dart, Andrew J., additional, Davidson, Elizabeth J., additional, Davis, Elizabeth, additional, Dechant, Julie E., additional, Diaz-Méndez, Andrés, additional, Divers, Thomas J., additional, du Toit, Nicole, additional, Dunkel, Bettina, additional, Durham, Matthew G., additional, Dyson, Sue, additional, Eastman, Tim G., additional, Elton, Debra, additional, Epstein, Kira L., additional, Estell, Krista E., additional, Ewart, Susan L., additional, Ferris, Ryan A., additional, Fielding, C. Langdon, additional, Finan, Seán A., additional, Finno, Carrie J., additional, Fowlie, Jennifer, additional, Frank, Nicholas, additional, Franklin, Samantha H., additional, Frazer, Michele L., additional, Freeman, David E., additional, Furr, Martin, additional, Garrett, Katherine S., additional, Gilger, Brian C., additional, Gillis, Carol L., additional, Gimenez, Rebecca M., additional, Giuliano, Elizabeth A., additional, Goehring, Lutz S., additional, Goodrich, Laurie R., additional, Graves, Emily A., additional, Guthrie, Alan J., additional, Hackett, Eileen S., additional, Hahn, Caroline, additional, Hainisch, Edmund K., additional, Hanson, R. Reid, additional, Hart, Kelsey A., additional, Haussler, Kevin K., additional, Henninger, Rick W., additional, Hogan, Patricia M., additional, Hollis, Anna R., additional, Hurcombe, Samuel D.A., additional, Issel, Charles J., additional, Jesty, Sophy A., additional, Johnson, Amy L., additional, Johnson, Philip J., additional, Jokisalo, Jonna M., additional, Kamm, J. Lacy, additional, Katz, Lisa Michelle, additional, Knych, Heather K., additional, Labelle, Amber L., additional, Lacombe, Véronique A., additional, Landolt, Gabriele A., additional, Léguillette, Renaud, additional, Leutenegger, Christian M., additional, Lorch, Gwendolen, additional, Losinno, Luis, additional, Lugo, Joel, additional, Macpherson, Margo L., additional, Madigan, John E., additional, Magdesian, K. Gary, additional, Mair, Tim, additional, Mama, Khursheed R., additional, Marsella, Rosanna, additional, Mason, Clara Ann, additional, Matthews, Nora S., additional, McCarrel, Taralyn M., additional, McCluskey, Brian J., additional, McConnico, Rebecca S., additional, McCracken, Jeanette L., additional, McCue, Patrick M., additional, McGorum, Bruce C., additional, McGurrin, M. Kimberly J., additional, McKenzie, Harold C., additional, McKinnon, Angus O., additional, McNabb, Noelle T., additional, Meindel, Mandy J., additional, Mendes, Luiz Claudio Nogueira, additional, Millerick-May, Melissa L., additional, Morehead, James P., additional, Morresey, Peter R., additional, Morrison, Scott E., additional, Morton, Alison J., additional, Mowat, Freya M., additional, Murray, Rachel C., additional, Natalini, Claudio C., additional, Nelson, Brad B., additional, Neto, Carlos Ramires, additional, Newcombe, John R., additional, Newton, J. Richard, additional, Nielsen, Martin K., additional, O'Brien, Philippa, additional, O'Grady, Stephen E., additional, O'Neill, Henry D., additional, Oosterlinck, Maarten, additional, Paccamonti, Dale L., additional, Page, Allen E., additional, Papa, Frederico Ozanam, additional, Parkin, Tim D.H., additional, Parks, Andrew H., additional, Pease, Anthony P., additional, Peek, Simon F., additional, Pelzel-McCluskey, Angela M., additional, Perkins, Justin D., additional, Peroni, John F., additional, Peters, Duncan F., additional, Petersen, Annette, additional, Phillips, Jeffrey, additional, Plummer, Caryn E., additional, Powell, Sarah E., additional, Pozor, Malgorzata, additional, Prange, Timo, additional, Puschner, Birgit, additional, Pusterla, Nicola, additional, Pynn, Oliver D., additional, Ragle, Claude A., additional, Rashmir-Raven, Ann, additional, Reed, Stephen M., additional, Richter, Ruth-Anne, additional, Robinson, N. Edward, additional, Rombach, Nicole, additional, Ruggles, Alan J., additional, Runcan, Erin E., additional, Schott, Harold C., additional, Schroeder, Eric L., additional, Schumacher, John, additional, Schumacher, Stephen A., additional, Scoggin, Charles F., additional, Sellon, Debra C., additional, Sherlock, Ceri, additional, Sinclair, Charlotte, additional, Sinclair, Melissa, additional, Slovis, Nathan, additional, Soboll Hussey, Gisela, additional, Spier, Sharon J., additional, Sponseller, Beatrice T., additional, Sprayberry, Kim A., additional, Stack, Alice, additional, Stick, John, additional, Stover, Susan M., additional, Stratford, Claire H., additional, Stubbs, Narelle Colleen, additional, Taintor, Jennifer S., additional, Thiemann, Alexandra K., additional, Timoney, John F., additional, Toribio, Ramiro E., additional, Tranquille, Carolyne A., additional, Traub-Dargatz, Josie L., additional, Tulloch, Laura K., additional, Utter, Mary Lassaline, additional, van den Top, Gerald, additional, Varner, Dickson D., additional, Viel, Laurent, additional, von Schweinitz, Dietrich Graf, additional, Waldridge, Bryan M., additional, Walker, Vicki A., additional, Watts, Ashlee E., additional, Werner, Laura A., additional, Weyer, Camilla T., additional, White, Stephen D., additional, Wilkerson, Melinda J., additional, Wilkins, Pamela A., additional, Wilson, M. Eilidh, additional, Wilson, Pamela J., additional, Witte, Thomas H., additional, Wong, David M., additional, and Yiannikouris, Stavros, additional

Published
2015
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23. Primary Bone Marrow Epithelioid Hemangioendothelioma Treated With Gemcitabine and Docetaxel

Author

Matthew R Skelton, Michael S Stump, Jean M G Sabile, and Fielding C Fitzpatrick

Subjects
Pathology, medicine.medical_specialty, Oncology (nursing), business.industry, Health Policy, Bone Neoplasms, Docetaxel, medicine.disease, Deoxycytidine, Gemcitabine, Primary bone, Oncology, Bone Marrow, medicine, Hemangioendothelioma, Epithelioid, Humans, business, Epithelioid hemangioendothelioma, medicine.drug
Published
2020

24. Resolution of neurologic signs presumed to be associated with hyperammonemia in 2 endurance horses

Author

Fielding, C. Langdon, Magdesian, K. Gary, and Mayer, Jennifer R.

Subjects
Scientific
Abstract

This case report describes 2 endurance horses with non-hepatic hyperammonemia. The animals were competing in a 160-km endurance competition in extreme heat conditions and were presented for obtundation. One of the horses also had evidence of blindness. The blood ammonia concentration was elevated (196 μmol/L and 249 μmol/L) and both horses improved following treatment with intravenous fluids and supportive care. These are the first documented cases of clinical signs presumed to be associated with hyperammonemia in endurance horses. Despite the severity of the clinical presentation, both horses made a full recovery. Key clinical message: Non-hepatic hyperammonemia should be considered as a potential cause of blindness and obtundation in competing endurance horses. Horses appear to respond well to treatment with intravenous fluids.

Published
2020

33. Inclusion for the Excluded: Applying Critical Realism Within an Alternative Provision Academy for Excluded Primary School Pupils

Author

Fielding, c. J

Abstract

This study took place in an alternative provision academy for 40 primary school children in the north of England. All the children attending the centre had either been permanently excluded or were at serious risk of permanent exclusion from their mainstream primary schools due to their challenging behaviour. Many of the children had been observed to cease this challenging behaviour quickly on entry to the centre. The aim of this study was to develop the researcher’s understanding of the underlying mechanisms affecting this cessation of challenging behaviour and charts the change in both the researcher’s developing understanding and his practice. A three-cycle, first-person action research model was used in combination with critical realism, and a hermeneutic approach was taken to consider the place of the researcher as the professional at the heart of the process. In following this novel methodological approach, the aim of this study was also to offer an explicit example of applied critical realism being used in an educational setting. The study was instrumental in developing practice within the centre through a set of emerging social, emotional and mental health (SEMH) principles which also provided the basis for the training of student teachers and professionals from other settings. As the study moved through repeating cycles, the researcher proposed an emerging model which applied the theory of social domains to a centre for excluded primary school children. The study supports the view that a child’s challenging behaviour may be seen as the outcome of a failing environment rather than because of a flaw in the child. It concludes by suggesting that political and educational leaders raise questions about the enabling and constraining effects that their wider policies have on the ability of schools to meet the needs of children with social, emotional and mental health (SEMH) needs.

Published
2020

36. Changes in electrolyte concentrations and hyd ration status in endurance horses following transport and an overnight stay prior to competition.

Author

Fielding, C. Langdon and Magdesian, K. Gary

Subjects
*HORSES, *UREA, *BLOOD volume, *ELECTROLYTES, *CELL size, *TRAIL riding
Abstract

OBJECTIVE To evaluate changes in electrolyte concentrations and hydration status that take place in endurance horses prior to the start of a competition and determine whether these changes would be associated with elimination. ANIMALS 19 horses entered in the 2016 Tevis Cup 100-Miles (160 km) One-Day Western States Trail Ride. PROCEDURES Heparinized blood samples were collected at 5 time points: prior to transport to the ride (TO), during check-in the day before the ride (TI), 1 to 2 hours before the start of the ride (TZ), at the 15-km mark (T3), and at the 55-km mark (T4). Packed cell volume and plasma sodium, potassium, chloride, urea nitrogen, glucose, bicarbonate, and total protein concentrations were determined and compared across time points and between finishers and nonfinishers. RESULTS Significant differences were detected among plasma sodium, potassium, and urea nitrogen concentrations measured priorto the start of the ride (ie, TO, TI, and T2). For all variables except chloride and bicarbonate concentrations, significant differences were detected between values obtained prior to the start of the ride and values obtained during the ride (ie, T3 and T4). Only bicarbonate concentration at the 15-km mark of the ride was significant: ly associated with finishing status. CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that significant changes in plasma sodium, potassium, and urea nitrogen concentrations can occui-in endurance horses during transport to a competition and when horses are statled overnight before an event. Additionally, a lower bicarbonate concentration following a steep climb early during the ride was associated with subsequent elimination. [ABSTRACT FROM AUTHOR]

Published
2021
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44. From intrabasinal volcanism to far-field tectonics: causes of abrupt shifts in sediment provenance in the Devonian–Carboniferous Drummond Basin, Queensland

Author

Sobczak, K., Bryan, S. E., Fielding, C. R., Corkeron, M., Sobczak, K., Bryan, S. E., Fielding, C. R., and Corkeron, M.

Abstract

The Drummond Basin of central Queensland preserves a large-volume succession of little studied, predominantly fluviatile, coarse-grained sedimentary rocks of mid-Mississippian age. The stratigraphy of the basin has been subdivided into three sedimentary cycles. The Cycle 1/Cycle 2 boundary records a distinct, but poorly understood change in provenance from a volcanic-dominated succession related to initial basin rifting (Cycle 1) to a quartz-rich, craton-derived succession (Cycle 2). Cycle 3 has been thought to mark a resumption of intrabasinal volcanism and related sedimentation. The purpose of this study was to enhance the understanding of the basin-wide siliciclastic sedimentation of Cycles 2 and 3, and causes for the changes in sediment provenance. This objective was achieved by constraining large-scale spatial and temporal depositional trends and investigating sediment transport pathways into and through the basin. Petrographic, QFL, paleocurrent and conglomerate clast analyses were undertaken. The observations presented here have several implications relevant to understanding the stratigraphy of the Drummond Basin and regional tectonic events at this time. Cycle 3 is revised here primarily to be a continuation of Cycle 2-style basement-derived sedimentation, rather than recording a resumption of volcanism in the area, as per prevailing models. Quartz-rich sedimentation in the Drummond Basin was, therefore, more long-lived than previously envisaged, and once established, was not significantly disrupted by volcanism. Cycle 2 formation thicknesses appear highly variable across the basin. This is unlikely to be a result of pre-existing rift-related topography as suggested in previous models. The thickness variations are more likely related to sediment bypassing and post-depositional deformation in the area. The distinctive coarse-grained, relatively quartz-rich sedimentation of Cycles 2 and 3 is unusual in its volume and extent. The sediment was transported int

Published
2019

45. Upper respiratory signs associated with Anaplasma phagocytophilum infection in two horses.

Author

Deane, E. L., Fielding, C. L., Rhodes, D. M., and Howard, E. J.

Subjects
*ANAPLASMA phagocytophilum, *ANAPLASMOSIS, *HORSES, *BLOOD cell count, *POLYMERASE chain reaction
Abstract

Summary: An adult Quarter Horse gelding (Case 1) was evaluated for tachypnoea and acute dysphagia. A 20‐year‐old Quarter Horse gelding (Case 2) was evaluated for respiratory stertor and severe, acute swelling of the head in the submandibular region. A physical examination, complete blood count, blood chemistry, upper airway endoscopy, and peripheral blood Anaplasma phagocytophilum polymerase chain reaction were completed for both horses. Both horses tested positive for A. phagocytophilum. The upper airway endoscopy for Case 1 revealed a feed contaminated pharynx, absent swallowing reflex, and left laryngeal hemiplagia. The upper airway endoscopy for Case 2 revealed severe diffuse pharyngeal swelling occluding the airway. Due to increased respiratory effort in Case 2, a tracheotomy was performed. In both horses, treatment consisted of intravenous oxytetracycline 6.6 mg/kg bwt i.v. q. 24 h for 2–3 days followed by minocycline 4 mg/kg bwt per os q. 12 h for 10–14 days. Both horses made full recoveries. [ABSTRACT FROM AUTHOR]

Published
2021
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48. Resolution of neurologic signs presumed to be associated with hyperammonemia in 2 endurance horses.

Author

Langdon Fielding, C., Gary Magdesian, K., and Mayer, Jennifer R.

Subjects
HORSES, SYMPTOMS, HYPERAMMONEMIA, HORSE breeds
Abstract

Copyright of Canadian Veterinary Journal / Revue Vétérinaire Canadienne is the property of Canadian Veterinary Medical Association and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020

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